C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/20 (2006.01) C07C 17/38 (2006.01) C07C 17/386 (2006.01)
Patent
CA 2226673
A process is disclosed for removing chloropentafluoroethane (CFC-115) from a mixture comprising CFC-115, difluoromethane (HFC-32), pentafluoroethane (HFC- 125), or from mixtures of these compounds, by azeotropic or extractive distillation.
La présente invention concerne un procédé permettant d'éliminer par distillation azéotrope ou extractive le chloropentafluoroéthane (CFC-115) contenu dans un mélange comprenant du CFC-115, du difluorométhane (HFC-32), du pentafluoroéthane (HFC-125) ou dans des mélanges de ces composés.
Casey Mark Andrew
Mahler Barry Asher
Miller Ralph Newton
Nappa Mario Joseph
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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